In 2025, users moved over $1.3T across chains, driven by yield opportunities, liquidity optimization and building across ecosystems.
Cross-chain activity isnât niche. Itâs foundational infra and itâs growing fast.
Hereâs how Turnkey helps secure cross-chain wallets by design đ§”
1/ What does it mean to be compatible cross-chain?
It means your app can move assets and data between chains like Ethereum, Solana and Avalanche, w/o custom logic per chain. This enables chain-agnostic workflows for swaps, liquidity, governance, and more.
2/ There are 3 main categories of cross-chain infra:
â Bridges (lock and mint)
â Messaging protocols (calldata and state)
â Consensus-layer systems (native interoperability)
3/ While cross-chain infra is powerful, it introduces serious security risks. Bridges and messaging protocols introduced more than $1B in losses from 2022-23 alone. Without policy enforcement at the transaction layer, these risks arenât edge cases. Theyâre inevitable.
4/ Wallet infra must evolve for cross-chain complexity. Fragmented standards, signature schemes and permission models mean a single flaw can cascade across chains â unless risk is isolated and intent is enforced on every signature.
5/ Turnkey isolates risk by design. Keys live in Trusted Execution Environments (TEEs). Every signature is scoped by chain, contract, method and user â enforced by policy and always deterministic.
6/ Turnkey gives developers the security primitives to scale cross-chain apps with confidence, without compromising speed, control or intent.
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